Home / 18,453.78-25,478.48-14,197.34

Finding the Fourth Proportional to 18,453.78, 25,478.48 and 14,197.34

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Solution

The fourth proportional to 18,453.78, 25,478.48 and 14,197.34 is: 19,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.78 : 25,478.48 = 14,197.34 : x
  2. Step 2: Convert to fraction form
    18,453.78/25,478.48 = 14,197.34/x
  3. Step 3: Cross multiply
    18,453.78x = 25,478.48 × 14,197.34
  4. Step 4: Simplify right side
    18,453.78x = 361,726,444.86
  5. Step 5: Solve for x
    x = 361,726,444.86/18,453.78
  6. Step 6: Final answer
    x = 19,601.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.